Find two such numbers whose middle proportional is 18 and third proportional is 144.

In an election there were two candidates, one candidate got 30% of the votes and lost by 16000 votes, how many votes were cast in total?

There were two candidates in an election, total 7500 votes were cast, 20% of these votes were declared invalid, if one candidate got 55% of the valid votes then how many valid votes did the other candidate get?

Aman and Raman together can complete a work in 30 days, Raman and Manan can complete the same work in 36 days and Manan and Aman can complete the same work in 45 days. In how many days can all three together complete the work?

In an election between two candidates, a candidate got 55% of the total valid votes, if the total votes were 15200 and 15% of the votes were declared invalid, then how many valid votes did the other candidate get?

Asif is twice as good a workman as Bashir and together they can complete a work in 30 days. In how many days will Asif alone complete the work?

The average age of A, B and C is 20 years, if the average age of A and B is 19 years, then what is the age of C?

The number of boys in a class is 16% more than the girls, what is the respective ratio of the number of boys to the number of girls in the class?